/*
 * Copyright (c) 1991,1993 Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the Computer Systems
 *	Engineering Group at Lawrence Berkeley Laboratory.
 * 4. Neither the name of the University nor of the Laboratory may be used
 *    to endorse or promote products derived from this software without
 *    specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * @(#) $Header: /usr/src/mash/repository/vint/ns-2/nam/netview.h,v 1.1 1997/03/29 04:38:08 mccanne Exp $ (LBL)
 */

#ifndef nam_netview_h
#define nam_netview_h

#include "netmodel.h"
#include "transform.h"

class NetModel;
class TraceEvent;
class Tcl;
class Paint;

extern "C" {
#include <tk.h>
}

class NetView {
 public:
	NetView(const char* name, NetModel*);
	NetView* next_;
	void draw();
	/*
	 * Graphics interface.
	 */
	void line(float x0, float y0, float x1, float y1, int color);
	void rect(float x0, float y0, float x1, float y1, int color);
	void polygon(const float* x, const float* y, int n, int color);
	void fill(const float* x, const float* y, int n, int color);
	void circle(float x, float y, float r, int color);
#define ANCHOR_CENTER	0
#define ANCHOR_NORTH	1
#define ANCHOR_SOUTH	2
#define ANCHOR_EAST	3
#define ANCHOR_WEST	4
	void string(float fx, float fy, float dim, const char* s, int anchor);
	/*
	 * Tcl command hooks.
	 */
	static int command(ClientData, Tcl_Interp*, int argc, char **argv);
	static void handle(ClientData, XEvent*);
 protected:
	void resize(int width, int height);
	NetModel* model_;
	/*
	 * transformation matrix for this view of the model.
	 */
	Transform matrix_;

	int width_;
	int height_;

	Tk_Window tk_;
	Display* dpy_;
	Drawable drawable_;
	Drawable offscreen_;
	GC background_;
	/*
	 * Font structures.
	 */
	void load_fonts();
	void free_fonts();
	int lookup_font(int d);
#define NFONT 9
	XFontStruct* fonts_[NFONT];
	GC font_gc_[NFONT];
	int nfont_;
};

#endif